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9th August 2011 21:06 #1
Èíòåðåñíè ôèçè÷íè ÿâëåíèÿ è åêñïåðèìåíòè.
Âå÷å íÿêîëêî ïúòè ïîïàäàì íà èíòåðåñíè äåìîíñòðàöèè íà ðåäêè ôèçè÷íè ÿâëåíèÿ, íÿêîè ìîæå è äà ñà ïîñòàíîâêà, ïîâå÷åòî ñè èìàò ñúâñåì ëîãè÷íî îáÿñíåíèå.
Çàïî÷âàì ñ òåçè äâåòå:
Íåîäèìíè ìàãíèòè è ìåäíà òðúáà:
Ñâðúõïðîâîäíèöè.
Âàø ðåä å
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9th August 2011 21:14 #2
2:25 áúã â ìàòðèöàòà.
Øàìïîàí.Have no fear ike iz here.
CPU Cx486DLC@40MHz, RAM 4MB, VGA Trident 512KB, HDD Conner 160MB, Monitor 14" Color
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9th August 2011 21:14 #3
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9th August 2011 21:14 #4Registered User
Join Date: Jul:2006
Location: varna
Posts: 423
Àç áèõ ïðåïîðú÷àë ôèëìà BBC.Absolute.Zero.The.Conquest.of.Cold, êúäåòî ñà ïîêàçàíè èíòåðåñíè ôèçè÷íè ÿâëåíèÿ ñ ïðèáëèæàâàíåòî äî àáñîëþòíàòà íóëà, êîåòî âêëþ÷âà è ñâðúõïðîâîäíèöèòå ïî-ãîðå.
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9th August 2011 21:31 #5
Òîâà ñ ìàãíèòà è ìåäíàòà òðúáà, ìîæå äà ñå ïîëçâà çà àìîðòèñüîð.
Åíòóñèàñò.
ÍÅ ÑÚÌ ÄÎÂÎËÅÍ ÎÒ ÏÎÐÍÎÒÎ Â ÒÎß ÑÀÉÒ!
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9th August 2011 21:58 #6Êèñåëèÿ ÷îâåê™
Join Date: Apr:2006
Location: Ñîôèÿ
Posts: 8,666
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9th August 2011 21:33 #7
Îáè÷àì òàêèâà îïèòè, îùå ïîâå÷å òàêèâà êîèòî ìîãàò äà ñå íàïðàâÿò â êúùè

Åäèí, êîéòî ìîæå äà âúçïðîèçâåäåòå ñ ïîäðú÷íè ìàòåðèàëè:
Òðÿáâàò áàëîí, ñëàìêà, êîíåö èëè òúíúê êàáåë íÿêîëêî ìåòðà, ñêî÷, íîæèöà.
Íàõëóçâà ñå ñëàìêàòà íà êîíåöà (êàáåëà), à òîé ñå çàâúðçâà çà äâàòà ñè êðàÿ êúäåòî ðåøèòå, ñòèãà äà íå ñå îïèðà ïî ñðåäàòà äî íèùî è äà å îïúíàò. Îòðÿçâàòå 5-6 ñì ñêî÷ è îòðÿçúêà ãî äúðæèòå ïîä ðúêà. Íàäóâàòå áàëîíà è êàòî ñå íàäóå, ãî ñòèñêàòå ñ ðúêà, áåç äà ãî çàâúðçâàòå. Çàëåïÿòå ñêî÷à, òàêà ÷å äà îáêðà÷âà ñëàìêàòà è äà õâàùà áàëîíà â äâå òî÷êè íÿêúäå â ñðåäíàòà ìó ÷àñò. Îñâîáîäåòå îòâîðà íà áàëîíà, êîéòî äîñåãà ñòå ñòèñêàëè è òîé ùå ñå ïîíåñå çàåäíî ñúñ ñëàìêàòà íàïðåä, íîñåí îò ðåàêòèâíàòà ñèëà.  íàé-óñúâúðøåíñòâàíèÿ ñè âàðèàíò ñúì óñïÿâàë äà ïðåìèíå íàä 15 ì.
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9th August 2011 21:44 #8
Ma haine est generale, et je hais tous les hommes: / Les uns, parce qu'ils sont mechants et malfaisants,
Et les autres, pour etre aux mechants complaisants, / Et n'avoir pas, pour eux, ces haines vigoureuses
Que doit donner le vice aux ames vertueuses.
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9th August 2011 21:56 #9Registered User
Join Date: Mar:2004
Location: In your dreams
Posts: 5,088
èìàìå òåìà çà èíòåðåñíè ëèíê÷åòà, òàì ñúùî èìà äîñòà ïîäîáíè
ïðèìåðíî:
íÿìà êîé äà ÿ úïäåéòíå ïóñòàòà ñèãíàòóðà
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9th August 2011 22:32 #10
“Morpho Towers--Two Standing Spirals” is an installation that consists of two ferrofluid sculptures that moves synthetically to music. The two spiral towers stand on a large plate that hold ferrofluid. When the music starts, the magnetic field around the tower is strengthened. Spikes of ferrofluid are born from the bottom plate and move up, trembling and rotating around the edge of the iron spiral.
The body of the tower was made by a new technique called “ferrofluid sculpture” that enables artists to create dynamic sculptures with fluid materials. This technique uses one electromagnet, and its iron core is extended and sculpted. The ferrofluid covers the sculpted surface of a three-dimensional iron shape that was made on an electronic NC lathe. The movement of the spikes in the fluid is controlled dynamically on the surface by adjusting the power of the electromagnet. The shape of the iron body is designed as helical so that the fluid can move to the top of the helical tower when the magnetic field is strong enough.
The surface of the tower responds dynamically to its magnetic environment.
When there is no magnetic field, the tower appears to be a simple spiral shape. But when the magnetic field around the tower is strengthened, spikes of ferrofluid are born; at the same time, the tower’s surface dynamically morphs into a variety of textures ranging from soft fluid to minute moss, or to spiky shark’s teeth, or again to a hard iron surface. The ferrofluid, with its smooth, black surface that seems to draw people in, reaches the top of the tower, spreading like a fractal, defying gravity.
The spikes of ferrofluid are made to rotate around the edge of the spiral cone, becoming large or small depending on the strength of the magnetic field. In this work the speed of this rotation can be controlled without motors or shaft mechanisms ? we simply control the magnetic power.
In this work, we are trying to activate analogue physical phenomena (= fluid) precisely by utilizing digital music metadata. To control the synchronization of the ferrofluid with the music playback in real time, time series metadata are added to the music beforehand. The metadata consist of musical information, such as beat position, chord progression, and melody block information, and ferrofluid control information such as DC bias voltage and AC pattern. Each data record has a time stamp that indicates the timing of presentation. All data are stored in time-series order.
These time series metadata must be accurate for precise control of timing, so as to cancel the time delay of fluid movement. By this correction, the time when the protuberance of the spike reaches its maximum size is coincident with the beat of the music. As a result, the rhythm of the fluid movement coincides with the musical rhythm. When there is no sound, the fluid falls down into the plate.
As there are two towers in the installation, complicated expressions of surfaces become possible. Each tower’s surface pulsates, like one creature calling to the other.
Fluid moves synthetically with the music, as if it breathes, and the condition of the fluid's surface emerges as autonomous and complex. In this art we want to harmonize several opposing properties, such as hardness (iron) / softness (fluid) and freedom (desire for design) / restriction (natural powers such as gravity). This work emerges as an autonomous transformation of the material itself: sometimes it seems like a horn, sometimes a fir tree, and sometimes even like the Tower of Babel.
Çà òèÿ êàòî ìåí äåòî ñå ÷óäåõà êàê å íàïðàâåíî òîâà
Íàé-ïðîñòî êàçàíî - òîâà ñà ìàãíèòíè êîíóñè ñ âèíòîâè êàíàëè, à òå÷íîñòòà îêîëî òÿõ ñúùî å "ìàãíèòíà".
Êîãàòî ñå îñèãóðè ïîäõîäÿùîòî ìàãíèòíî ïîëå îêîëî òÿõ - èçñêà÷àò è ïðè÷óäëèâèòå ôîðìè.
Èçòðèò ïîäïèñ ñ íåïîçâîëåíî ñúäúðæàíèå.
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9th August 2011 22:01 #11
Îùå åäèí:
Íåîáõîäèìè ñà ñåøîàð ñ êðúãúë îòâîð îòïðåä (èëè àêî íå å êðúãúë, ïîíå äà ìîæå äà ñå ìàõà íàêðàéíèêà ìó, òàêà ÷å äà ñòàíå êðúãúë), èçëèøíà ïëàñòìàñîâà áóòèëêà îò âîäà/áåçàëêîõîëíà íàïèòêà 0,5 èëè 1,5 ë., òîï÷å çà òåíèñ íà ìàñà, íîæèöà. Ñ áóòèëêà îò áèðà îïèòà íå ñòàâà òîëêîâà äîáðå ïîíåæå îòâîðúò è å ñ ïî-ãîëÿì äèàìåòúð.
Ìàõàòå êàïà÷êàòà íà áóòèëêàòà, èçðÿçâàòå ãúðëîòî è òàêà, ÷å äà ìîæåòå èçðåçêàòà îò ãúðëîòî äà ÿ íàáóòàòå â ñåøîàðà è äà ñòàíå íåùî êàòî ñîïëî çà òîïëèÿ âúçäóõ. Àêî ñåøîàðà âè èìà îòäåëíà íàñòðîéêà çà òåìïåðàòóðà è ñèëà íà âúçäóõà íàãëàñåòå ãî íà ìàêñ âúçäóõ è íàé-íèñêà òåìïåðàòóðà. Àêî íÿìà - çäðàâå äà å, ïðèãîòâåòå ñå äà ãî ïóñíåòå íà ÌÀÕ. Ïðåäè äà ãî âêëþ÷èòå îáúðíåòå ãî òàêà ÷å ñòðóÿòà âúçäóõ äà èçëèçà ïðåç ïîñòàâåíàòà èçðåçêà îò áóòèëêàòà ïðàâî íàãîðå. Âëþ÷åòå ñåøîàðà. Àêî ñòå çàêðåïèëè äîáðå ãúðëîòî îò áóòèëêàòà òî íÿìà äà èçëåòè, à êàòî ñîïëî íà äâèãàòåë ùå óñêîðè ïðåìèíàâàùèÿ âúçäóõ ïðåç íåãî. Ïîñòàâåòå òîï÷åòî â òàçè ñòðóÿ è òî ùå çàòàíöóâà âúâ âúçäóõà (òàêà ïðàâåõà òîïêèòå çà òîòîòî). Ïî èíòåðåñíîòî å ÷å ìîæåòå äà íàêëàíÿòå ñåøîàðà íàëÿâî è íàäÿñíî ïî÷òè äî 90 ãðàäóñà, áåç òîï÷åòî äà ïàäíå, ñòðóÿòà ùå ãî äúðæè!
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9th August 2011 22:28 #12
Mythbusters - Fun With Gas
Íå îòãîâàðÿì íà íåãðàìîòíè ïîñòîâå. Äà èçòèêàìå HWBG ïàïëà÷òà!
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9th August 2011 23:01 #13
Àç èìàì öÿëà òàêàâà êíèãà, êàçâà ñå "Ëåòÿùèÿ öèðê íà ôèçèêàòà" îò Äæúðë Óîêúð.Ñàìî, ÷å òàì ñà äàäåíè êàòî âúïðîñè è íà êðàÿ íà êíèãàòà èìà îòãîâîðè èëè ïîäñêàçêè.Ñíèìàõ íÿêîëêî èíòåðåñíè.
Last edited by BeTaTesTeR; 9th August 2011 at 23:34.
Ñèñòåìàòà êàçâà ÍÅ!
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9th August 2011 23:11 #14
Òîâà å èçêëþ÷èòåëíî áîëíî, êàêòî è äðóãèòå íåùà îò òàçè ñòàòèÿ:
7 Man-Made Substances that Laugh in the Face of Physics
Êàòî ÷óÿ èíòåðåñíè ôèçè÷íè ÿâëåíèÿ, îáà÷å, ïúðâîòî íåùî â ãëàâàòà ìè âèíàãè å the double slit experiment.
Èìà ñóïåð èçâðàòåíè ïðîèçâîäíè åêñïåðèìåíòè, â êîèòî (íå)íàëè÷èåòî íà èíòåðåôåðåí÷íà êàðòèíà ñå âëèÿå ìîìåíòíî îò óñëîâèÿ íà íÿêîëêî ñâåòëèííè ãîäèíè (áåç îáà÷å äà ñå ïðåíàñÿ èíôîðìàöèÿ).
Äðóãî çàáåëåæèòåëíî ÿâëåíèå å åôåêòúò íà Êàçèìèð. Íàáëþäàâàí åêñïåðèìåíòàëíî çà ïúðâè ïúò ïðåç 97-ìà. Òîé äîêàçâà íàëè÷èåòî íà êâàíòîâè ôëóêòóàöèè (ïîÿâÿâàíåòî è èç÷åçâàíåòî íà ïðîèçâîëíè åëåìåíòàðíè ÷àñòèöè â ïðàçíîòî ïðîñòðàíñòâî).
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9th August 2011 23:37 #15
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19th October 2011 11:22 #16
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21st November 2011 12:54 #17
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24th February 2012 16:29 #18
Supercooled Water
 "related" ëèíêîâåòå èìà îùå äîñòàòú÷íî ïî òåìàòà.
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14th January 2013 13:26 #19
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10th August 2011 12:23 #20
Êàê äà ñè "îòãëåäàìå" êðàñèâè êðèñòàëè îò ìåäåí ñóëôàò (ñèí êàìúê) çà 4 ÷àñà.
Èãðà ñ íàìîòêà íà Òåñëà (Tesla coil)
Ïîçäðàâëíèÿ çà ïðåêðàñíàòà òåìà!
MSI B450 Gaming Pro Carbon AC | Ryzen 9 5900x | HyperX Predator 3200 | Asus Strix 3090 | Kingston KC3000 2TB | WD Red 4TB | Dell G3223Q + LG 27UK650-W | Arctic Freezer 360 | Seasonic Focus GX-1000 | Lian Li O11 Dynamic
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10th August 2011 15:07 #21
Ñëúí÷åâà áóðÿ:
http://www.youtube.com/watch?v=RnJBT...eature=relatedíå ìå èíòåðåñóâàò ìíåíèÿòà íà ëèöàòà
NiOOH Madboy BozoMaster Bucket tony HillyBilly tedych Spellcaster MrShadow nbozhinov degman tonich
äà íå ìå àïîñòðîôèðàò, îòãîâîð íÿìà äà ïîëó÷àò
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10th August 2011 19:35 #22
Ñòóäåí ëåä:
È åäèí ïðèìåð ïî åäíà äîñòà ãîëÿìà òåìà - non newtonian fluids:
Mythbusters èìàò ïðåäàâàíå ïî òåìàòà.
Çíàì, íî òàì èìà âñè÷êî, èäåÿòà ìè å òàçè äà å ìàëêî ïî-íÀó÷íî íàñî÷åíà, è äîêàòî ïðèìåðíî òàêèâà êàòî ìåí äåòî íèùî íå âäÿâàò ïóñêàò èíòåðåñíè íåùà, äðóãè ïî-ðàçáèðàùè äà êàçâàò çàùî å òàêà (èëè çàùî òàêà íå å âúçìîæíî)
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10th August 2011 21:32 #23
Ïåðïåòóì ìîáèëå
http://warnet.ws/news/18293
Ìèñëÿ ÷å èìà ëîãèêà â òîâà .Åíòóñèàñò.
ÍÅ ÑÚÌ ÄÎÂÎËÅÍ ÎÒ ÏÎÐÍÎÒÎ Â ÒÎß ÑÀÉÒ!
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10th August 2011 21:48 #24NoteBook HP G72 B40SQ , CîreDuo P6100 2.0 Ghz 3mb cache , ATI 5470 512mb DDR3 , 3Gb DDR3 RAM , 640Gb 8mb cache SATA,17''Display
Ìîÿò ôîòîàëáóì
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23rd September 2011 09:19 #25Registered User
Join Date: Jul:2006
Location: varna
Posts: 423
http://news.ibox.bg/news/id_1044008855 , http://www.forbes.com/feeds/ap/2011/...d_8695154.html
Òîâà âå÷å å íàèñòèíà èíòåðåñíî ôèçè÷íî ÿâëåíèå.Òî å ÿñíî, ÷å äíåøíàòà íàóêà ñå îñíîâàâà ñàìî íà òåîðèè è äîãàæäàíå íà óðàâíåíèÿòà, íî àêî íåùî òîëêîâà ôóíäàìåíòàëíî ñå îêàæå ãðåøíî
(Àéíùàéí ñå îáðúùà â ãðîáà ñèãóðíî).




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